UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 20 OCT 25 Station: VV811 WMO ident: 48811 Latitude: 21.40 Longitude: 103.02 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 121 SFC 960 475 20.8 20.2 96 0.6 20.4 160 1 297.4 300.2 295.0 342.9 15.71 2 940 658 19.6 19.4 99 0.2 19.5 78 2 298.0 300.7 294.8 342.2 15.26 3 925 797 20.4 18.0 86 2.4 18.8 15 3 300.2 302.8 294.7 341.7 14.18 4 909 949 21.0 17.5 80 3.5 18.6 29 4 302.3 304.9 295.2 343.6 13.98 5 850 1528 17.2 15.5 90 1.7 16.1 85 9 304.2 306.6 295.1 343.3 13.14 6 753 2556 11.2 10.1 93 1.1 10.5 79 9 308.4 310.3 294.3 339.9 10.37 7 700 3166 8.6 6.9 89 1.7 7.6 75 9 312.0 313.7 294.2 339.7 8.96 8 664 3602 7.4 2.8 73 4.6 4.8 86 9 315.4 316.8 293.7 337.7 7.07 9 568 4869 -0.3 -2.5 85 2.2 -1.4 118 10 320.8 321.9 294.0 338.9 5.61 10 541 5258 -1.7 -8.7 59 7.0 -4.9 129 11 323.6 324.3 293.3 335.8 3.66 11 515 5648 -5.1 -7.6 83 2.5 -6.2 139 11 324.1 324.9 293.8 338.0 4.20 12 500 5880 -5.3 -10.2 68 4.9 -7.4 145 11 326.6 327.3 293.9 338.4 3.52 13 492 6007 -5.7 -9.9 72 4.2 -7.5 145 11 327.6 328.3 294.3 340.0 3.67 14 489 6055 -5.3 -10.3 68 5.0 -7.5 145 10 328.7 329.4 294.5 340.8 3.57 15 475 6283 -6.1 -18.1 38 12.0 -10.5 144 10 330.4 330.8 293.6 337.2 1.94 16 465 6450 -7.5 -13.5 62 6.0 -9.9 143 9 330.7 331.3 294.5 340.7 2.90 17 455 6620 -8.3 -16.3 52 8.0 -11.3 143 8 331.7 332.2 294.3 340.0 2.35 18 448 6740 -8.7 -31.7 14 23.0 -14.5 143 8 332.7 332.8 293.0 335.0 0.60 19 424 7165 -12.3 -21.3 47 9.0 -15.2 141 7 333.4 333.7 294.1 339.3 1.65 20 418 7274 -12.7 -30.7 21 18.0 -17.1 141 6 334.2 334.4 293.6 336.9 0.71 21 407 7478 -13.9 -25.9 36 12.0 -17.2 140 5 335.3 335.5 294.1 339.4 1.14 22 402 7572 -14.3 -36.3 14 22.0 -18.8 140 5 335.9 336.0 293.7 337.6 0.43 23 400 7610 -14.5 -36.5 14 22.0 -19.0 140 5 336.1 336.2 293.7 337.8 0.42 24 387 7860 -15.7 -40.7 10 25.0 -20.2 154 5 337.8 337.8 294.0 338.9 0.28 25 339 8841 -24.3 -40.3 21 16.0 -26.7 212 3 339.1 339.1 294.4 340.4 0.34 26 300 9720 -30.3 -50.3 12 20.0 -32.2 265 1 342.7 342.7 295.1 343.2 0.13 27 274 10358 -35.3 -52.3 16 17.0 -36.6 238 5 344.4 344.5 295.5 344.9 0.11 28 261 10695 -37.7 -50.7 24 13.0 -38.7 223 7 345.7 345.8 295.8 346.3 0.14 29 259 10748 -38.5 -45.5 48 7.0 -39.1 221 7 345.3 345.4 295.8 346.3 0.25 30 258 10774 -38.5 -50.5 27 12.0 -39.4 220 8 345.7 345.7 295.8 346.3 0.14 31 256 10828 -39.1 -48.1 38 9.0 -39.8 217 8 345.6 345.6 295.8 346.4 0.19 32 250 10990 -40.3 -46.3 53 6.0 -40.8 210 9 346.2 346.2 296.0 347.1 0.24 33 248 11045 -40.7 -50.7 33 10.0 -41.4 211 9 346.4 346.4 296.0 347.0 0.15 34 243 11183 -41.9 -49.9 41 8.0 -42.5 213 9 346.6 346.6 296.0 347.3 0.16 35 240 11267 -42.9 -55.9 23 13.0 -43.6 214 9 346.3 346.3 295.9 346.7 0.08 36 239 11295 -42.9 -57.9 18 15.0 -43.6 214 9 346.7 346.7 296.0 347.0 0.06 37 233 11466 -44.5 -59.5 17 15.0 -45.1 216 10 346.8 346.8 296.0 347.1 0.05 38 226 11670 -46.3 -58.3 24 12.0 -46.8 219 10 347.1 347.1 296.1 347.4 0.06 39 223 11759 -47.1 -52.1 56 5.0 -47.4 220 10 347.2 347.2 296.1 347.8 0.14 40 216 11969 -48.7 -60.7 24 12.0 -49.1 223 10 347.9 347.9 296.2 348.1 0.05 41 200 12470 -53.3 -61.3 37 8.0 -53.5 230 11 348.4 348.4 296.3 348.6 0.05 42 193 12698 -55.5 -61.5 47 6.0 -55.6 228 12 348.4 348.4 296.3 348.6 0.05 43 182 13069 -58.5 -63.0 56 4.5 -58.6 223 13 349.4 349.4 296.5 349.6 0.04 44 173 13386 -60.3 -69.3 30 9.0 -60.4 220 14 351.6 351.6 297.0 351.6 0.02 45 150 14260 -66.7 -76.7 23 10.0 -66.8 210 17 355.2 355.2 297.7 355.2 0.01 46 148 14341 -67.3 -77.3 23 10.0 -67.4 212 17 355.5 355.5 297.8 355.5 0.01 47 101 16574 -80.7 -84.9 49 4.2 -80.7 280 9 370.8 370.8 300.7 370.8 0.00 48 100 16630 -80.1 -84.8 45 4.7 -80.1 285 7 373.0 373.0 301.1 373.0 0.00 TRP 101 16574 -80.7 -84.9 49 4.2 -80.7 280 9 370.8 370.8 300.7 370.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5759.00 m Freezing level: 571.74 mb = 4819.82 m = 15812.85 ft Wetbulb zero: 590.34 mb = 4556.11 m = 14947.68 ft Precipitable water: 1.83 inches Sfc-500 mean rel hum: 83.09 % Est. max temperature: 29.15 C = 84.47 F Sfc-Lift cond lev (LCL): 951.90 mb = 548.77 m = 1800.42 ft T: 20.32 C 700-500 lapse rate: 5.12 C/km ThetaE index: 5.92 C Layer 850.0- 568.0 mb Conv cond level (CCL): 837.88 mb = 1649.93 m = 5413.08 ft Mean mixing ratio: 14.22 g/kg Conv temperature: 27.99 C = 82.37 F Cap Strength: 1.93 C Lifted Index: 0.28 C Risk: Showers probable Lifted Index @300 mb: 2.02 C Lifted Index @700 mb: 0.03 C Showalter Index: 0.13 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 20.80 C K Index: 36.30 Risk: > 80 % chance of thunderstorms Sweat Index: 215.00 Risk: None Energy Index: -1.02 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.68 J/kg Max Up Vert Vel: 9.24 m/s Conv Inhibition (B-): 47.83 J/kg Cap Strength: 1.93 C Lift Cond Lev (LCL): 881.17 mb = 1217.00 m = 3992.72 ft Lev Free Conv (LFC): 766.17 mb = 2409.12 m = 7903.83 ft Equ Level (EL): 696.17 mb = 3211.22 m = 10535.36 ft B at Equ Level: 32.71 J/kg Max Parcel Lev (MPL): 466.17 mb = 6430.31 m = 21096.56 ft Wind level data Storm motion: 133 at 7 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 960 475 160 1 -0.3 0.9 | 309 6 4.5 -3.6 1 925 797 15 3 -0.8 -2.9 | 331 8 4.1 -7.5 2 850 1528 85 9 -9.0 -0.8 | 38 7 -4.1 -5.3 3 700 3166 75 9 -8.7 -2.3 | 29 8 -3.9 -6.9 4 500 5880 145 11 -6.3 9.0 | 162 5 -1.5 4.5 5 400 7610 140 5 -3.2 3.8 | 294 2 1.6 -0.7 6 300 9720 265 1 1.0 0.1 | 308 7 5.8 -4.5 7 250 10990 210 9 4.5 7.8 | 251 10 9.3 3.2 8 200 12470 230 11 8.4 7.1 | 259 13 13.3 2.5 9 150 14260 210 17 8.5 14.7 | 233 17 13.3 10.2 10 101 16574 280 9 8.9 -1.6 | 294 15 13.7 -6.1 11 100 16630 285 7 6.8 -1.8 | 299 13 11.6 -6.4 Wind Parameters Mean winds (0-6000m): 103.3 at 8.9 knts Storm direction: 133.3 at 6.6 knts Shear (0-3000m) pos: 1.3 neg: 1.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 88.4 deg Storm rel helicity (0-3000m) pos: 24.4 neg: -2.0 tot: 22.4 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 1.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.34 Bulk Shear: 9.84 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 27 3 332 8| 0.0 5.3 5.3| 6.9 0.0 6.9 13.8 0.59| 6.8 4.0 1000 61 5 353 7| 3.3 2.6 6.0| 20.9 0.0 20.9 20.9 0.78| 6.9 5.4 1500 75 6 9 6| 2.4 1.8 4.2| 22.4 -0.5 21.9 14.6 0.75| 5.0 3.8 2000 77 7 16 6| 1.8 1.4 3.2| 22.4 -1.1 21.3 10.6 0.71| 3.9 2.8 2500 77 7 20 7| 1.4 1.2 2.7| 22.4 -1.8 20.6 8.2 0.66| 3.2 2.1 3000 77 8 22 7| 1.3 1.0 2.4| 24.4 -2.0 22.4 7.5 0.66| 2.9 1.9 4000 83 8 30 6| 1.4 0.8 2.1| 30.2 -2.0 28.2 7.0 0.70| 2.8 1.9 5000 93 9 42 6| 1.4 0.6 2.0| 35.2 -2.0 33.2 6.6 0.75| 2.7 2.0 6000 103 9 56 5| 1.2 0.6 1.8| 37.8 -2.0 35.8 6.0 0.72| 2.6 1.9 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20251020.00.gif